{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "220441",
    "entityType": "User",
    "nonce": "0xf23bf706ecc09cf6022679d88d48f6cb15a0c81d16e50cefdf07cf5d88954e6b",
    "signature": "0xe10e247aea28bf26a9519508aed377d0c02f07ac5cd3dd3b402efa490048d07a1ce8decf75fa0f6531523806cf7f231ea3742b52462c77586fce32b4d5f40f951c",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}