{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58337",
    "entityType": "User",
    "nonce": "0x7436f71fd97711eead421a9a8a556893c6abbd2b592378482cea334cfb08a14c",
    "signature": "0x04f8093bccc0de7598762fe3d7d01db179d8a8f78d36b4d6a75576d919d08cd14b06480d4d55f6f835db1598b36d68dcdf2f45dc96b253d1d0aad3b20db0e52d1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}