{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x078dfb8974d409cf598113d50eb667dec43e857a4ddd4282f65ed8b20f5f8c87",
    "signature": "0x5f012b4436e1b50804c10214ccafb0aeeff7405002eedf1951af1999d36ec0a463e4f24e26619979ec90803eaa4219f025de23f8a9812963893ef5ae72c1613d1c",
    "signer": "0xa228dA0794005c958cFc691a6808417E21E60Aea",
    "userId": "151623966"
  }
}