{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981716494",
    "entityType": "User",
    "nonce": "0x7e54713d0dad49970a7de05319b385b4f92777e97de62005e411adf694ca5071",
    "signature": "0xfb04d0a9d0374fa8d79515d6a7766e241d5c4c64359fe7623cd835f6e489a56141297625222d344a879f89d47db2e7a338a50c2335ee366d476b67d644b6fe7a1b",
    "signer": "0x42cB1e20D724BD902Af64cd85c700BE6118500bD",
    "userId": "47154652"
  }
}