{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51398",
    "entityType": "User",
    "nonce": "0xab6dedaa97d7df10e493cc60baa5486b36136f5a06257beb4928575a250d8ef5",
    "signature": "0x8ef088c8c68c10a85f3d52ba750f4f846112aac8a22e84991fb2315e251cb8e5570246b26a11a9f871b49e2ee9fa08554fd31a49e55a174b5d217887638bbbae1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}