{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "241108058",
    "entityType": "User",
    "nonce": "0xe8fc2187dd1fbe70b9215bfbb967dab686780aa60604da46fae6818cce39942b",
    "signature": "0x8d21fc6e15cdd22cb4471a83972149ddfb6cec759e7bc3e686e6ca4fb90dc54d72e5a8e22f19d7eac4d03c754f610653fe998cd11a16cf4fac28a911b505c9cd1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}