{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3848",
    "entityType": "User",
    "nonce": "0x247267d7d5f9a4f99ee037ef53c4a9465d53849278c9c61c16a01ad0aa3a7671",
    "signature": "0x1c52a09fda9a6f2e4bfa8f062458236a96f8a1d52e885d59544f628ff89ef3d97aa2e8fa7d5492e60d6b2b07329dd8bd24a241227a25339eb63c4491aeb2e61c1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}