{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "232258693",
    "entityType": "User",
    "nonce": "0x166796326011127bb37a63c38dbc0286ef40af4ac1a0c9265af0d6ea50f1b432",
    "signature": "0xd083ed5d9eea59ce6208a17222fb7ca4a1fffe378017084de339b45e15a4db4b2b1b535e2eb2fb1f1229eb868e46b83fcb8a05d5df092987c7d06d12f9d14f911b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}