{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0xaf4aac753505b336b7a7a4aa8c3b3156c144b67bb5eb6778242ccda8f393f482",
    "signature": "0x2e3265ac1626874fec4c2c7277d0ba23f8fce949262e002232c9497d07dce32a417072c5c9a221b535bda99854ebedd10e71aecc76b53245cfd643e02148e6691c",
    "signer": "0xa185Ff45de6FF68eAa1d7ceC338cba250810134c",
    "userId": "54166466"
  }
}