{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954019364",
    "entityType": "User",
    "nonce": "0x2f7a5642f79f0aadeb77e16be0ccad30a3bc083140411e0b395326e2e3dee43d",
    "signature": "0x03a6e7020dfe32bf4a4e586a21e7fb5c2daa0174a8e4e95c997400b226d504d958b4bb5ecad53ce25bee61ad4c9627ba6171bc944f53c3b63c69b6235302461b1b",
    "signer": "0x46323bf87C45258bE3A40FA31E6e17cb9A9829Bd",
    "userId": "654087878"
  }
}