{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "879770030",
    "entityType": "User",
    "nonce": "0x300e89f6de858941ffaa01759755e2d7b4ed8af33c4cebae6714d2feb309ad8f",
    "signature": "0x4b071367a36f50be7ac3a076784d3624a405141936fcbf0f72603905f16567d407b56924e89b5a0cc39e28194e527536137071defb3e6933c3a076a62cdc8a991b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}