{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71508",
    "entityType": "User",
    "nonce": "0xc342388e0fd3e0c9a636adbb24d25a8bc59873982f19a1ed9f65b00249142dfd",
    "signature": "0xeee75bef60a09e3bb066f94d251c627ed615937ce9fcac4949071cc65ce06e0327047148f15040fec5d91ff872a280db556b42d100e2a0f200bac7b14189c7171c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}