{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951995708",
    "entityType": "User",
    "nonce": "0xcc651e89f88a182b7068c23f6aa954d106e49241d61936b2e030b28dd5c8b8b6",
    "signature": "0x5b7fe97e4eb96c81eaea4ec3d9f4dd129f15ddada508469bfa7eb66d8839026521f2d8054d942f1c09846c3aa5464f71c8b8e928479bb9900bfef014af414b8d1c",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}