{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "288058",
    "entityType": "User",
    "nonce": "0x7ea4bbb65d5198954028d61a846c4164371f4a194e63d84f611ecdddb2b95f49",
    "signature": "0xece44c45b9ffda90d0070a891a5ac3e371fd764f57cd43123e855c0f2ffc8bc12a32655ebcbd8ed8b4b27fb8b0a65479667284521e9ba21aa0bcec3ae909337f1b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}