{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "139146722",
    "entityType": "User",
    "nonce": "0x0a451a71355a5471fb859a1d99a81434c3bb88c160355ca2aa7eb3fc801489ec",
    "signature": "0x359f9f6ec5ee1973a25d3d3162866355b939617a92dd2defe82969cb84d50f3b4bba1097cc745045291304e09021226b11b2b2ac76fe5276b4799622ad4544481c",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}