{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "930634116",
    "entityType": "User",
    "nonce": "0x03e051c50bf5c33622e48c228f897cee9fccb3f1fbb56cdb2038a7111ff6341a",
    "signature": "0x0613a13ad2fe9c62738b2c3d72c836e1a48de381e41c3235ae2787abce66d2765a073e046f7774f0b53d4fec0cfd28fc21323f8809ebf4695893bef9d8bcb1aa1c",
    "signer": "0xb7C7a8D9d12EBd1Cd438cB065E97280E6D7e912A",
    "userId": "984691913"
  }
}