{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "222766",
    "entityType": "User",
    "nonce": "0x0d89cc9751648e11bb913c9163461246ea4fe8d5413adc4567a02cedf2c4a483",
    "signature": "0xaa8a1ea0ddc4a9f7963e17aa0804da4666a1a5f04a6745e9924236ea5ea964e26eebe7a74f5825f046a89383c2828eb16ccf77ffac4c10441c566e735946d3001b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}