{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "19891649",
    "entityType": "User",
    "nonce": "0xf6358a26254f129c5e7150c21c83bed14b34d9bfe0aa37aae5b3befb707fbae3",
    "signature": "0x656d254273cb2551b462281b46f2768766e14efb930b39d37b1fd663a44bb1f864e6ba529d6f06d0c128fe879c19a6ecd2911fd9577041d202581adb9615184d1c",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}