{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "351804",
    "entityType": "User",
    "nonce": "0xe0971550558f3fc1e41c70437f0875fa4f7618d4fd1fa24d14680a3309b3e42d",
    "signature": "0x9c485c86358d29705f0730f153e145e56e6418b402df0072841917c7d926efe52bc02317be32ba734a433b9492c9e064e2cf22c742516a26dc56c746946bf76d1b",
    "signer": "0x2f6C18419818aA0932B2906f3749322D1CFEd35E",
    "userId": "719970451"
  }
}