{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91965250",
    "entityType": "User",
    "nonce": "0xfd3d36da6c9f69a5b992c6880d8913e388277728f8a8d59868362e9aaa20c580",
    "signature": "0x106546d2c1c95eaf4d7bee55ee73887d53befcb9e859248894d8d5c146f15fdf3c31d13a3072d4e650ba35e339db0f88b164d8fd1b4bedc8371c563b059328c91b",
    "signer": "0xA1BD575717EC9252C5B20A20F0867727009A53ce",
    "userId": "676473235"
  }
}