{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120749",
    "entityType": "User",
    "nonce": "0x7eb8bcaf7c80b79e66540c70426c7620c65034fe43cd0f990820eb36d4e4e80b",
    "signature": "0xe6eeebe73a3fc4781067929fd7e7a77d52b2cad3fd865124c9f252bcacc25ef52e0fbd2e3864cb83bfdd657da447dfe9380e53bdc75fc1201cf36594995fe8801c",
    "signer": "0xdA0eFB0e7b973C487c12501759aDb23012CB5248",
    "userId": "178070"
  }
}