{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd6a5a048b647970f5bb755074532a34de6885a1a9cd3ec47713e4171c6725640",
    "signature": "0x56822e5a83de89aa06fa52907cc5f245bf272e1bb53785afe0f2baa0a783a44736388309fd285135e426c891cdab4f2ee9b08244af81fc76a09d68d551861e551b",
    "signer": "0x4fA45A786102AEC4907B9AC5fcCf1e186f518C86",
    "userId": "265288217"
  }
}