{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5acc8b29a91f9ada9a12192bb3db837959b1e51aec18da2a1693a4bda0baccde",
    "signature": "0xb45ecec33cb4bc26fb544fad817f3a0aed9e46349f2346b64060d8efb318b9b52c90adc99b54f674b92a68b7c8d60f3aa281b4be59fbc33ef2b2a0133660c72e1b",
    "signer": "0x0a8144ECcF9C2FCa51752b2ab83825956CFa652A",
    "userId": "344204229"
  }
}