{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "780083254",
    "entityType": "User",
    "nonce": "0x2af237d3ae3bfbc48a0706d0b4757ba0132a140561a0f37c8381a2ab12532759",
    "signature": "0x9fa1e1534000221434628c0ec78887059b738c575b6c3ff992f039793333019a26c6beade30bfe77c1105371fee10ce197f56d7d39a8f416f14a0f4b96428ced1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}