{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1755",
    "entityType": "User",
    "nonce": "0xc096c9a49f4cb018f50d494bd8be3c917e657db1c5d59de6f09a5cd92b75761c",
    "signature": "0x40540ac0dd7efb96cabc550e243f42c0859ca2de808f4d32ebbfff6134b7bd1a469b044890dcbed0ef0d3662a92ca833a7d6dfd78ac760dd685516eb45d40c161c",
    "signer": "0x222534475146193b99B68F2E3830ED2b44307C2D",
    "userId": "991417453"
  }
}