{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5b46f30955cf733d73f2dfae2772d25e04082282a42875bae3e42e3d5e899ab2",
    "signature": "0x054aabab7fc7466140c95eaa14e46f21b81ba1a9f4ee97d830a66766a7c960042a6264f0a65f3480f20e9dc51ea1f07682492924f6989bfc76f4b8781d909c2d1b",
    "signer": "0xeFd7cAFe4638a5f68E7eACA3C7eA2DD6Aba6Ad56",
    "userId": "881096998"
  }
}