{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc9bb474a4d6775093e7cf08ae500035978b804c56a423c0009fe4e4820f73f80",
    "signature": "0x21df45a24672ceb4ce25f129712800de85a364e163bc380e8493cccf549b1fff070dfa4f3313b0d1fbc8f828ba6f684e7572d137fa56c89ac0f3d71e0cd236ab1b",
    "signer": "0xfbD08c0D708aE711aEc0f45a1921c2656c85fF97",
    "userId": "698591373"
  }
}