{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "239107",
    "entityType": "User",
    "nonce": "0x8f03ace16c62c107ae59f916a98f6eed10b9833e66c87ed73b61e27e0a6b0b65",
    "signature": "0x78d809af4c2eac774856aab6c95d709e6c0795df1f11e15da2691a078d946fb6319abbe77003733869b130246232e24cd18548e5d6b88ae96db15e5748cbd19f1b",
    "signer": "0x1DAE2f67411425Ea8f5eF5873622df905e59d83D",
    "userId": "410756960"
  }
}