{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135028",
    "entityType": "User",
    "nonce": "0x3be78511b87ea90e724e78f8afb570cedf833a2c06f4b939d492565fa5b2f2e2",
    "signature": "0x85d48f8e8f73dc2241c7a1bc6c8056d398bc77560a41392f584a753bb05ca0a10e152e6f19e609d1fdc3d275fb47054fead0f85759cd3bd6d27d945d1564a2ac1c",
    "signer": "0xb0bc7585AC84F169814851A3C22d8d92D133337F",
    "userId": "267657235"
  }
}