{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2043650",
    "entityType": "User",
    "nonce": "0x317ba89095d745e2dae304179884e19a862de2fc2175d573f2cd684b05633211",
    "signature": "0x0b3f0a87a4015d01646860ce3bf23c4d99e74de364538a2228a303664573cb3c5fd1c50a6505ab599a7cd68a289aa61521054d33efc1058fca615ff5e32d7afe1b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}