{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "456251496",
    "entityType": "User",
    "nonce": "0x4dd68ae912867f0be0c14a7def8edc5edb7aa3e43d431ff77d10cb73b70d7b69",
    "signature": "0xc6492e12cf59a49487a3ca9e4c4541171391c5c744979e3ed38298e9aefbb0d36d256a006ac20edc1c61e439a28384f3b64740a414044b3146c8368f8cf4659f1b",
    "signer": "0x1a08B067c1Fb3c46dDA49f6d1f590e00DC5baFCd",
    "userId": "60095054"
  }
}