{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29005",
    "entityType": "User",
    "nonce": "0x550aad091615711c9eb649098ca4241795ad301f5d32934c191b1ce0c6c36e72",
    "signature": "0x111e5a56dcaa5c6105ef9c9c1b5bcd52c92c7014475466652bdb3beeee52182449f3a2319fa061b0a0d3035ae1b60c7c2bd654beb08963399a155d9edb29071e1c",
    "signer": "0xe2b1dcE37383Da05C6DEcaeCeB1e76b1449f1711",
    "userId": "218728810"
  }
}