{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "326049483",
    "entityType": "User",
    "nonce": "0x1c68fea9c30407555a6a3e7160f12f7fb6365c69cbeb827549850600cd3768f5",
    "signature": "0x897f97306819fff28c1da67b58374b45f5d12e316826182b90490bb3b9e242636d8a4883303947f76f5a7a380208bea8c3500052e5cb9c48550b8f6054dab5081b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}