{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "451653",
    "entityType": "User",
    "nonce": "0xb8367e2207cc6c8e8ab72c95da5b4a7f59752e24541f0cd38cc7b8202f7c4788",
    "signature": "0x58e709f2794befa3e850dd3950094861fdc30533df06b1a5df4c3843163a5d9c6714ffe399971c04bbfb103939a747360b82bc70185ec06c580c4f408f63850c1b",
    "signer": "0x88ad765B72fb060B3adbae1FA44A6C64722E1781",
    "userId": "236177"
  }
}