{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89625",
    "entityType": "User",
    "nonce": "0x30cee6e34a2d3006d287b325fe0ef8856b258eda6f4384a639e346118baead6e",
    "signature": "0xa46150b3c802031491c1da0e2b98be86e2a48f7a95b97aaea16f2e3d32c93b0a6e64f09a23b88aa0812f77c3472e56da1d368ddbc293f08115707f2e8f277f6c1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}