{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "363430226",
    "entityType": "User",
    "nonce": "0x401cac399090b28bcc345c23e29cc545e75a378710cbe9f16b182d18ab7bab1b",
    "signature": "0x7ff5cc8b3233fc1d647d7d905c7e25fc26880fbbeda4392b3ec4600a398077fc37ebee6daedb753b4683a9c2ff31f0445f76ff97124bf140b7523a49e5f2e20f1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}