{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29401",
    "entityType": "User",
    "nonce": "0x6cda8ee9a0a9386d45db9686528bf00a62ae4da3c98d5826d07fd4ada11952f8",
    "signature": "0x15fb1c7709c651a8f8b0d9ae85888499be8138e75b57826f45c413ca1ea67e003347e5698a0c8469c4809d955b1c626c94a5f97c9520a8173f218a12821815a01c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}