{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x33e9b107543214e15605e95dee2d1158656dd873f4b4dcb1e2206a93c8221a8c",
    "signature": "0xf34a2a630bf342bd3b1dba3fa6b37851e6701b940648df29fc10a3997bb1ac205267dbe9f0bda3cb07220c3a2aee0634adb1ce1f6df2933a8e33d7e7fe870b801b",
    "signer": "0x5D4848bCf5c4abA1a0Fdf2B61408c9e4288aDb0E",
    "userId": "305415280"
  }
}