{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "206567419",
    "entityType": "User",
    "nonce": "0xa1e362ab6f3c7d751d2480fc6bd5948c452e36f0290b1819c41b2dfa453c6294",
    "signature": "0xcef7495f2d8bad8906433d6095a2eca62d1c95cc55142164c4e83403ddaba1e978634e132348a8dadc4a39951d247f49b54cc07ac82346a752832f4029239c841c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}