{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "299249",
    "entityType": "User",
    "nonce": "0xccb862001caf38569ad528ec5fab36c4cc5261850d553cf1a46a399815f0ad5a",
    "signature": "0xfbdd53a4159d5cddab53aae1ea994de9815f8570354fc7361dfe1c0431de3be202b12639340df2511dc24465fecbe89baa69655360df8f922d150a1fd729c1501b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}