{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xebe18ce42dbc35cfb6d04cebd9fa33ec5451ec8e55b3fac7f14170dfa1566d09",
    "signature": "0x310b54e92f7be2b46c96b2b6ed69137c3b31c2ceca5fe64f251211442e613470190b738a46346b754a4f3973d1a68bc47488689597a0297e31d1caffd374809c1c",
    "signer": "0x8F182fe722FaD992BFa8591dE7c1515A4509F742",
    "userId": "289612370"
  }
}