{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91737",
    "entityType": "User",
    "nonce": "0xa0e46681054b259ea3760347ce447d193c7fa5b258729484fe882b876f1b3998",
    "signature": "0xafeeb4f90dc68a26f1237a26fa9933469b2bfae5f82a85b926021a4a1ff7fffd5ea5134115f2b5596f27dabe8b88c2ff4f059eef215ee718c1baee3c4d8b7c851b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}