{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd94f3e87f1266c6c646e58e9e7046f5626baee7a78cf36ff214abfcc47798bce",
    "signature": "0xb5f1feb512ccd6e8f933e920dc14e6fc49c76a5202eb5a9c87d504b7560802750f7610fc7ae56fc658dd3c502c67efa03d68d2f70cc37ab0b356f0c30a9d22f71b",
    "signer": "0xfceA8e5C59ecbB5ab00b0Ee72A9229ffEA978Da0",
    "userId": "265080874"
  }
}