{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157361",
    "entityType": "User",
    "nonce": "0x7a66dbdffc9957fdb9774e76daf26dae983cdf1980a3bb8de92d61fb67adcb17",
    "signature": "0xedab9bc2e8c1a5c7b83314b874a0ff29d0800d647e9708f1a57e0141876f4cba1f16bb4293cc53f589dd83dabbbcbd14f32de4114bab541c2fc331726eceb7981c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}