{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x232aeb6efb117688dc73778014431306652d68a107e6c5de61ce3ef4a4cf1af7",
    "signature": "0x0b048620078469dfe74b796a503405ac01334b6ebf939c66dc2ef848a0f7c264378873d8353cd120f517bee94b8f7e5bd4d9e75d54d617da0d25e2ac8b4b621c1b",
    "signer": "0x278Bf03AB04ADf687A7F14686b920Ea1e91427C1",
    "userId": "384732135"
  }
}