{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd07e518752db7da7de6fdff5d429ed5cc700373771e6d35dd144a509697be6fe",
    "signature": "0x284117687278bf5d15a75780bf1dd466b8a4f6eb629776fb6dd71f539115514766bf05ecb18f6e81ce0c6df619455e95dde2d1e6d526cda584f8cf08b531da951b",
    "signer": "0x6C5261AB382BBC85549564421c57b3F6A2C224f6",
    "userId": "229849299"
  }
}