{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x79c2d630df7e563fddc8cad829fc46cf92699d3f374cd628a691d6f28cd2b652",
    "signature": "0xdc35bf4af33a949965bc2a522cf2d39a37ec2d06a15577cf12afacb8731ec31d7f68abd6f2e085f261fee822d6445af87df2809e2a0ed0ee77887c3e6e5e06261b",
    "signer": "0x0E557437346E09897D1e239193D204D895456235",
    "userId": "650848706"
  }
}