{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2686",
    "entityType": "User",
    "nonce": "0xf65b9d8e75e67b796c935f2a5ce0a56473d26751e1dda1fd6055a572981c8351",
    "signature": "0x7c995515ead23b5018994f2748eec6b55a2e88c9d889801d344fc02daca8a0a705660f5f816ff625ab65b5542984c3a443df14ed53513dd9427198559821847c1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}