{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "22997627",
    "entityType": "User",
    "nonce": "0xaeacf0230e31fad4ccb05b7c834d373f02b1f9ae6a09b734446ec56dbfd6f7a2",
    "signature": "0xe21720d207bae1c1e1b680bb03937b2449b5a7533dd07466d2e860ff773bdfea2e93d4e6bb7519faddf7a7fa834a59ecb03330953a03bcd0db5d995db14f0e7a1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}