{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "118669",
    "entityType": "User",
    "nonce": "0x3f90c8461bc17aa4d4bc575175aaa59aee15d21a3d6ad2bd35fbc529199d761d",
    "signature": "0xf52ea5d2af4bf6d13d03a212b384c52c2c7927c6f96723dc5f2e4fc6616be994502bc521e3ecbe32419533664d7654dab086e3e4e64edd2fc0efa57782f8fd7f1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}