{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "283478",
    "entityType": "User",
    "nonce": "0x00207dde13b58bca837a7828425312c5421e23a3b144ac84bed61a23cd665688",
    "signature": "0xe0b27f9a280976edeee7461b5de3ab4e36eba012dd3688b7bdd40d28bf3544107497e6be93ef67072e70f3015ab0ca77d00d7c8b6d59a8ae038ad239b589f9bd1b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}