{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0x0bb441b56d3caaf9b59eb3e7410ae1f80b34faad33a86aa1f5627d80df7dfc8a",
    "signature": "0x8dff4b99f30827edbb269778ed0dd63c77893451d09ee95293377237bf009bf3649d7ee579a55bf0214c27993498f34327ee1fa5652f094bd075f9055297bb5a1b",
    "signer": "0xAfE04b3A47505816aD72A3036422AC553C1dFEc3",
    "userId": "515307498"
  }
}