{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x025f280691054fd5cddf5c2acad29a0f1daba0f9353c4aaa7628183f47bbc7f4",
    "signature": "0x70d80c5376dcc7951a394a2ed79bc51296d30c6fbc362e262ac0dbb418e25c196d44a7b414d533d2e031d846b6069774770ffcf44df18232a7851653e8c944a91b",
    "signer": "0x989faEfE658E0b6dF1793197b0De4137Cb1aDD3b",
    "userId": "554920508"
  }
}