{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1315089",
    "entityType": "User",
    "nonce": "0xae9e7533712a782d066d6fe51aa7c6898c9108113b46e9b778c605cea23a0c85",
    "signature": "0x838d1dd7c138cafad5e7282e1806745601f22f61fd5c56cff2e8e1db1ee665181b5b4d8e02c0bf9075ae924033c38f26dd28639940e6e9cc35fdbd34974c90ff1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}