{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "617992566",
    "entityType": "User",
    "nonce": "0xb27b7a440c07ec9d765791a3252b02c7c10b3e981baaa80a20b9b2457d46654b",
    "signature": "0xace7b21efaf6cc5a829f12be899ed7e873d7907eb10e501d0a556d403fbb99d727ef8ae271f72d76c1ceef3bbbf408421bc9b45e9150dd5c86930ab7fe3e762f1b",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}