{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "330824499",
    "entityType": "User",
    "nonce": "0x924bdacf8bd112848df71ec43f3670072893326330019890725d91fee3a96a7f",
    "signature": "0x52f713e603fef1a7a699bc14ab2d4198431ecf071b43afb406aed9dd40a7758b58165d9975c2c9d3a6b1f5e4be9d3dd03c5dc099552e95cb799c06fd34b0af081b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}