{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67242552",
    "entityType": "User",
    "nonce": "0x47e487df73bf29af408235810e04602bf1b6acecb0a83bea44c58c59121bbc3b",
    "signature": "0x65f61210bc36a4a0bb078193d3b6f848f591e44e6fba815f75255f7f6a6485e52db282ec4d44df2e9e8d8ac3b5644f69a2e540a4297bcb2e0b0fa225b46f8b851b",
    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}