{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xcb24bd8a0964790948e9bbec523665eacff9563e34641d00ded4ea99ce8f17a7",
    "signature": "0x0953603935bdc832fe617efc48292b494ea08696109d597d022767e490f1de2042b5c52b557dc02d4424d70e02c7533dcd7ec53171d1eef7796b52e4cdb5ef151b",
    "signer": "0x4f305522AaCEaA87516BA7051D70577F98d0e915",
    "userId": "887292641"
  }
}