{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "133392",
    "entityType": "User",
    "nonce": "0xfd2d066b20a62218b829cfeca393b4fd3ef40c2584d5bf333bc70aa5a36bc091",
    "signature": "0xa77f95e2dfa446894f74340a8f87e60ff78fda98943d0da344ebd5d3213678015078e76e89e92acd4daa17e6c8e042fe8706773eb69e0b63592b89636dd821da1b",
    "signer": "0x3CE226b3CA677B312E9396cc48d4008c70545091",
    "userId": "550328673"
  }
}