{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xd4977dd289a27babcba0010ade830c4667c07d6a5eae6bf3047a332e3cf0e0e2",
    "signature": "0x6a61c8982df709abafb75dbac0821a8d7324ba5a540a673f69cec3b97550df8941aa9d9f3d84102bdc575edbdf2d7d32d319437d3ccbff84fa277c9d892614f71b",
    "signer": "0xD3e2a2Aeb739263055A5ec4484257b4927578D03",
    "userId": "117667088"
  }
}