{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141914",
    "entityType": "User",
    "nonce": "0xac34ab750cad1704eb66771c8e334e1124d9d4a8bf6c8209e04d0823758c67fd",
    "signature": "0xfa05184a7dc060f1354fdd89d5b2b2139a86213f1af3dfd24c3cb581618ac4be2e6fe6614b70b0b8e7eb87d3bf63e12befab4f40b0c10229816525e372af9fd81b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}