{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14461",
    "entityType": "User",
    "nonce": "0xaa80cfc856786d4cce043f15fab44fb066bbd97767ce5364fd9e9a0470de3d4d",
    "signature": "0xbd5c4ff39fbfa455d147c7858736fde9df55a306ff6c4a0afc9449dc309ff45351a5a419c9083e005a6b9439d07481f8666db829bab03589f7f43b0768823bb31c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}