{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xea4acde25346314104a1919d94e64d9003389a26832caa36bdf967fad9e57c04",
    "signature": "0xec908495be6a9d1ee65d1b1dc3ff62d961a22ff5d3767f4bc59377408181b9cc1240300b04c5b71135544785b2ee66b7b037c34fb0889a83834407cad0fe24e61c",
    "signer": "0x1A64C0A21915fdd68011BDC6f7b08F69150b4d5A",
    "userId": "928424962"
  }
}