{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "213884",
    "entityType": "User",
    "nonce": "0xf34869e1e322ddb16365832d744d73477219e029075394d6418fb9acab51717f",
    "signature": "0xc962bac760653a6364f0c4c49c320773016b49c86c581bf008844e91497822f90cf37ca9e42e11b83afaa6941dea038667ca88df930f22e0f11b7f0fa4f4ec1e1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}