{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1777978",
    "entityType": "User",
    "nonce": "0xce2317771af73cc99d1508af45296efbb4e7f146898933020301f27a290c50fc",
    "signature": "0x8f3e216562ece607f2f9c8c0a2d6f50fb21edb8be909ecf6dd91c02ce0818dc93fb3cec4e05a4ebbdfc00f5556f19f56f473eedfc12e59879cadf3a9eeb9fb931c",
    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
  }
}