{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x9e479f2fb72d82e417aa148bbad4f0d895361ed518363f4771eb909cf53318f6",
    "signature": "0x434e77c414b7376f4b3c14b226662c076b599743130f4a9967c1944d46054c066dba0d1be4d4b621aac704daeaf2d8f1d07006d4e3d9dd6bba376db82ab374271c",
    "signer": "0x61759FD9d69b6C29FE84fc39eaB6C50Cf7dCd8FC",
    "userId": "366953361"
  }
}