{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x1c0e97c716e195e2dee575e7990883ee32763e4f9ceebf2c0bb6db1219bec6b7",
    "signature": "0x4a719cd56726d35c11e29af627fe706458b170ed6b49970dd7af54485d2d64570000cf363cbfe205bf490f1efc1d9b9a15b3a8f60c9ce74c0a613ed59583a9a41c",
    "signer": "0x8C7bee798c0AB93Df67Cd00879d67b02274644CF",
    "userId": "855403"
  }
}