{
  "manageEntity": {
    "action": "Follow",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0xfb7519a5229c9c2223317cd95e977a07c6fd01a8e8a5782920f8eab9a924afec",
    "signature": "0x98d0435e42fb8e39154572208b7a137b6d5076394054ac94426151c2aba10fb36b5b4a3be7867f70c6dc7a94a72f8b6324789f3f7fea327998152cd31652fe491c",
    "signer": "0x13f8ca0832087662A9bA298e1F708853B8615826",
    "userId": "990836999"
  }
}