{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "952154530",
    "entityType": "User",
    "nonce": "0x7d97cc020caadb4f1ff198515df61d3a8d086cfbb8bedd3d4a64f79b4ba8dbcc",
    "signature": "0xc7bb93939e2babfd66769028aed6fc476a7ad3284e90dfce2ea6afbf1d355ce068ceeea248365655e7921695ffc527e97360bdc94b879d4acac6c983961649661c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}