{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70810",
    "entityType": "User",
    "nonce": "0x5b84aa9c140fcc50b603f7b72683932b229228782ea7ebebf4450a3cbe0028ff",
    "signature": "0x2e9bbdb25b290f4c7889880cc3cc1983be6037ddf6b6be4f2df12743b995369d1dfec7068941a2973d4d5e00e6b75d4f958f3eb6bc9e9ca774c657644c664d301b",
    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}