{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x2c19a28760580323e759607cc9b3f2d9938183bd4da78ef0c6e23ff06cbb0e43",
    "signature": "0xe6ecd22ef916aebb71808ad9d0ffe73306e3c6856588ae57a9955e2ed687fb462fc6d9488d12de273f0a95a05de32f2c5d873b960e36f3fac1c3a8dc37a1cc041c",
    "signer": "0x89d8eB915223b0368c688C2a51Ee2f5b1CdfC911",
    "userId": "101819865"
  }
}