{
  "manageEntity": {
    "action": "Follow",
    "entityId": "139",
    "entityType": "User",
    "nonce": "0x75200926d32a8b5e33f6c210fa183c037dad12fd3466bba1240b10787ff90d1c",
    "signature": "0xe01fc959f87cdefbb8d5e9633f6cd30a6d4e80fb1850c98d6968c8ac4fde3ced08de4f97b23b2696e50bf74e761978231d09d01bb69f1f6eff5026dfa12953131b",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}