{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xf172a0690fdc27da2a2a1e68fca146477eae0929b430ff929be02483ae78b448",
    "signature": "0x40df0a7f52b81759fd4b8dd8eda3a8b97e5ea7267f921dd892786a678f0532ca5cee4ad24e9593c03707a5b052376cc59e4cd7eb2a0d1cbed37230f41be0f7b21c",
    "signer": "0x54bC87876799beaFF396Caf61aE3186E8235343D",
    "userId": "832575185"
  }
}