{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "308196323",
    "entityType": "User",
    "nonce": "0xeec209908fc557ce8b81b26c2707f42375720f796cc505fc61d2e48ce4582f50",
    "signature": "0xece4af2ac6c9f7e9fcffecfc40b8b09cbf6e44ca275496b5e513f2cd0ca2678c32d902cb8e53e7eb3191caac31bc1ff9f03b6e0b968dd4ffc1df95617f49ab861b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}