{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71507",
    "entityType": "User",
    "nonce": "0xca05370d1a6afacbf9d5d4d58a82239f13bf8651a98affe44736f7b2cb003028",
    "signature": "0x23a9a3324bcc7cb06d73cdfb44e8fdac3acf79344724988c1eaf121b752545476bb7cd70ba96a6eae4aa7718038c67dcccfc8cdd48e419ab63f3e7fbc46c11e21c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}