{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0x2e6d2066f1af95d1273d1cf0c531ac894c7ee8c4310c376ae992027c4d1c6c44",
    "signature": "0x045cddabdf8a90f8a7281fed50056ad3a7ec3be4f2c6f7cc495ab5df6e0619fb073ea3870f849c9a75858a03795a08369bc030efde95fac5641c7bf02c2e66841b",
    "signer": "0x195d9eE11400245E841C02c4b4288a90A8195e91",
    "userId": "103785872"
  }
}