{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x29cbef246375d2a371565039169e1dde2fd1f006d07cfddf23d028ec5193292e",
    "signature": "0xee99e1ec94d4ede4aa7f594a8f909c88016aaccdeae8ac6eef9ff610de0a013c7427bb03c0eaad796a8690576435a0256ffbbdcc554b28448b130c7c5f2618fe1c",
    "signer": "0x1e6cC8Aa9BaC55257B85Ba164D4AFb79C45BA4aD",
    "userId": "656022065"
  }
}