{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "362279",
    "entityType": "User",
    "nonce": "0x0ef6f09696739fa85f0bc6bdb15721a81c02881ca9122e8544257a4268916f24",
    "signature": "0x2c06bf85fb3bdf6073cac4c0e291ed0fb20f38e92c96d32ef697f386a076919c5263ba4b35924383c5ee5d002b5fce7ddff5ffc4345cf24b8b2fa9e13b62edb51c",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}