{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x30c611165e075917136db746c9f444b846a426e127129f385216b08ece775b78",
    "signature": "0xb039e2c67fd2b0a316c403bd209fc962c60969ea577bed22f08fd260a36fb4c64030f044e646ffaa9fc8af8d5cf077206134de2c6a377178806152f2ef95e8351b",
    "signer": "0xC3A02f8a2eaD06AF89d87419410df10650738771",
    "userId": "946311729"
  }
}