{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1946151",
    "entityType": "User",
    "nonce": "0x1817ab320a3b591e7df8c98269de2432affabf86e1f185afd285b024866a0e2b",
    "signature": "0x49a51b3fed8f19fcc927674ce43fda8eee6b3d5e3389aa9e2c627f66c825a689712ab7088a460ddca5742801856a10e10facdccfd392360a8b4190731d123e4f1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}