{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "294",
    "entityType": "User",
    "nonce": "0x61bc78eecbbbc12834f1ae46e8b25d28194bc1f67909515599da028378a13201",
    "signature": "0x069d9593fecd118ed9fb5f7260d76dee30b0a317b565054948ac037c0adcecb84e698cbed8426e7773be27404a86d5cc1bcb4a9ba8c1858f5f655f1cd842c0631b",
    "signer": "0x31486898e68E355292Bd5aa0261Caf9AfD79dA6c",
    "userId": "199526646"
  }
}