{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30334",
    "entityType": "User",
    "nonce": "0x8beae1e427073da01828d94855d4fec770692c2366af967678cf11a80c652d73",
    "signature": "0x6a5484c527d5e1e3ea3ab0c90bc7f34a2cbc47abd3fada90430843568b13a2fb183119413b4d5c789f2b15de030472a5d7e6bee52278dfbef1c79a10e7a879931b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}