{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61055",
    "entityType": "User",
    "nonce": "0x81ff4ac569edb141ff7855528614b59edf5d01caeea4499b5b261dd39c69a96f",
    "signature": "0x997bf8716e742c0bf9fa3bcb5beb8846bf4e0fcef72917c2780288f53cfbec52362a6a1589e2f6081a9de1310b4de4b56912c3465d9ec79396b40ef0dcc590f61b",
    "signer": "0xD1afcB973C474bB78f360cbc813764a2549a5bf2",
    "userId": "610582466"
  }
}