{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78883",
    "entityType": "User",
    "nonce": "0x5d3e09f8043ffdf053d22a64e041eaf2cc22c62c9b5704b65c689a85afe619b7",
    "signature": "0xc58df323518f7907e75917f60ceabad0902566c4e9175864701e3ce971a54190494b2c4634c5c7a5c2fdf9a8a5c7ecede5bc8c22159c6ae745e5feeecc9952e31c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}