{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13820",
    "entityType": "User",
    "nonce": "0x6011f94947906a42d97d9c3033a013cd28e9191ea919d6b1512d03deef6b97d1",
    "signature": "0x154877d197b061acd5f43d893187c2cd7a09e21b7ca94f4b13cdea53bfa115e512338e5148d282838824afe9cda7f8e05fadaa6c95f8c08211cfa46f0f62be7b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}