{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "294824",
    "entityType": "User",
    "nonce": "0x94e8ad359fb3fa8f8a37b7836123e333d6e83e8460004a461c31c3063697b125",
    "signature": "0xb7551a28b971e0355313646f72978e2bd0fb95a3436d2c807aae699a6b26bd8371d3515e1bcc005ae363648fc4000e9d595251976b573618511f6586ba09470a1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}