{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136214",
    "entityType": "User",
    "nonce": "0x3ef00f6909f7c26b8102ab46f1a19b5235727015eb2a0b8f222594a1b9de1771",
    "signature": "0x05d9c5e1e8b08dd62c6a823ef172e02c9514186981a42da6bb81f79a66cc9afe20c01c01fe625f967f379f62cae05a944bbf6721c011c968048f4b146e9945741c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}