{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "470987679",
    "entityType": "User",
    "nonce": "0xd9fc92d453acabe8c4786158678af197de6df29504cda98778460c51daac457c",
    "signature": "0xeedb54fd67221f0106ba403a9b29eaa48f3fd5c26fc7f991bfe2352951865ecb681e29ff74243d7edad7c5939d7a341c11f3bce44c10a312712688b1e5f5b90d1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}