{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "972435607",
    "entityType": "User",
    "nonce": "0xc6574ff8c4f9838be4df1c2b339f0c1276aa96341dbb6c0069a5b8f0be0e3267",
    "signature": "0xd1c09425d5353a1c95cadbb2c25f87299bf625522e4e6b800f7d8b3a44bd941924a3a5ea0b3bae2f0874f636c48b3fdd0a5fb38f54e12015737db89b4d8cbdc01b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}