{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "66146",
    "entityType": "User",
    "nonce": "0xf06a90a91d5ffc99c01fdb41533b1bfdc0c059ff7b12ff726b4787f85c69e122",
    "signature": "0x6d1ce92cee947cf3bc29510968631c2dcc61913e217bd3f00599934bce7d7a692bcf59ab08668ca570d7c24160a4de78f763403ec6daefc07ce92f01184e81a51c",
    "signer": "0x316933E449A0b429014E405447c447C9Bc472bE9",
    "userId": "451684863"
  }
}