{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108562",
    "entityType": "User",
    "nonce": "0x566bb52be1d688703f8326a14fc81d06deafc6fab425b4a7997a859dc689acf0",
    "signature": "0x935dcb6594d95357540b6a3a59cee91438f82449aca85a91cd3a7be4803a5948393411ac31631a6af8521d2f6fd3bb64e8bcaad7f91a5db9b613a58e960890a41b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}