{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5994d897439f5e837238222210616a8b8fc920d0bbff4b6a11faeebef4d3e66a",
    "signature": "0x28dfd8c4c1478133a098f5e1985a97c599ee1b61a56601d1e2d959c6503d10b3068d776c1abadfdcbacd8b0d3228a540d585485eb37763e99e24fa50d17cdf8a1b",
    "signer": "0x6Eafc82a82795717f6a8862c108090eAA98f147a",
    "userId": "179510109"
  }
}