{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157157",
    "entityType": "User",
    "nonce": "0xe1ae8596538f7d2cc0574f31ed79009ce6bd7547de05cd35b4ad04891bde05f0",
    "signature": "0x0fb469bb9068d180b91a4c3b6d8a405a490b5145010686d2f26171ffb6da4d2d36e8e5640f23b75d13ce18d4a19691bf87044a3607fc8914e71d04d7420ed99d1b",
    "signer": "0x9db84b5af18534d8Ee180c90E1377f813B5Ec313",
    "userId": "741417198"
  }
}