{
  "manageEntity": {
    "action": "Follow",
    "entityId": "550",
    "entityType": "User",
    "nonce": "0x22e5ef11c1260c786896f936ecaf6699ad1f38fbf4e35e5c984b9afcce6b0e37",
    "signature": "0xabc63f2938f60141ac2eab14d044be71ca6ab8af6f8608c463a920210103f9756adccaee3a2d5340f3495e71bd55e630263f53b952fb1e0eae3e507ea48a1b1b1c",
    "signer": "0x243f92B83d056f818b9b95664A8B7A86805A3E71",
    "userId": "111448"
  }
}