{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "912339",
    "entityType": "User",
    "nonce": "0xba8ec3d560072440d5e5d388dda3619ff31d44aef240f2aa4ddfba16513bd4f5",
    "signature": "0x9e6f4226f15d50a3638055c23fef00b5670123fe1eb449c60984d387761b56f31c131d5595b5dcbf35668691810cba6b2384dcd08a07058896d93525498c02611b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}