{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15149",
    "entityType": "User",
    "nonce": "0x13b3d70e6790ac62197f541c99fef775b3b7ff4e43a4137caefaee45aaf5d257",
    "signature": "0x77824476c372e1dcfbc7e3269ff05860624a9c20368a7138a6b794ab5bd7c7073d4fac75a846473dc250150122da39ecacf8faaa53ced3bab0848ddaff51caa61c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}