{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x79d08ac6c44c68b1912897231c2f09151938e695f79709bdd6b8a3dfb331cc6a",
    "signature": "0x5504a39b3cce1d28dcc448297dd971e37cc16fbd6303188422d8da356151949864930a1ede5424dda9a19ccf3e3300a282deb55bd60868b829d01405c517c50e1b",
    "signer": "0xca0D957AF7551B207bBE7bAbbFeec17f8Ad14d16",
    "userId": "907140206"
  }
}