{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43309",
    "entityType": "User",
    "nonce": "0xd34e2e909700bab0a0b5f74af5ea2e4317e40d4698c4c19625a851156228395e",
    "signature": "0x52a9de1f7eadd5f376fa3559a08bbdf7cd2dfe2dcda86cd0c92c27f415b505023adc46aaed6d017bf45ffdb0c307ab2ebe5ddc0509d14b54021fd34750afb8631b",
    "signer": "0xfacdF66002EfDe05aA9536CC8bC11099e6F64435",
    "userId": "706590281"
  }
}