{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "211307",
    "entityType": "User",
    "nonce": "0xd19e04431197a54d30253c6d2ec8ad0de40b3d4488ebcf126788facab8f1b3e0",
    "signature": "0xa5576ac3e799ca8bf28d73bb3a983ac6125552197ebedf64bc7b363d965aa1133ee1782af3ae63e5a3f2f630310d78be37b9964611ce4c4d4bd5b2a1bd14e7481b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}