{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x03f0cea501bf2131db8cf8ab5e152a008bf374954d9174a6667dbd99e9a146f0",
    "signature": "0x6348f67453ec8cbb181efe8e611398feb1defe38ffaef0376b1707bd2401ff0530ef0438c6e37393d610bac4072fc396d27cb6faf05476643cebfddaaa2554461b",
    "signer": "0xc5ccCc6C98cF1141E76A95632D7B85C060DCc111",
    "userId": "898392047"
  }
}