{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "527636914",
    "entityType": "User",
    "nonce": "0x35c78b0e4f73be5ce69722067e02ebe57370f3b7a3fe0ccd38f7248362e14173",
    "signature": "0xa652a2d8362b6f069a5e7d879ea7387b2539b7a3b802c85f7dae99235569efc8205b16f4076cdfffd8bcd5dc7dce18ec2853a85ef99524ef32a8bb269413cb531c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}