{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "210748",
    "entityType": "User",
    "nonce": "0xb12e2857aa4092e08f66b644dc44c51c49eb814994bcc2799c1d4539014f25ed",
    "signature": "0x0e29be451107785a7794a95361dfebbba389e327f8bf94d4337ecd23f6bdf7e70ac5ec0232c890d3041d441a68d555d50bef7de83faf245af4952ffacd3fd8d41b",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}