{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967911423",
    "entityType": "User",
    "nonce": "0xad1b33145fcec527753f73f3de980c86136f8495c6293b8797d1ac24a055241f",
    "signature": "0x6d535041137e9c91b0f3a6d38af9a26da43e3b5e9b04e392a36a55c4d6a476a16d509e1cb45f628ddd573dc9d9e8fe82b621be311896b2bce23be7c4cec58e411c",
    "signer": "0x7cb443E1D882339Ce2Db89944ef44929E8E2F578",
    "userId": "343301"
  }
}