{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0x17e84abf94803e0321af9be6c5961f4bc5ae76179d279bcedd8bba1297fbccb4",
    "signature": "0x265129e45eb336ab8d24eb324cbe6ab2ee3a1640a702d58635bcdfe39dcaf5183360c2f2e78bd5d516ffe78e34a1f0f5648aa60e743c605e2bf54823df1f5a9f1c",
    "signer": "0xB874f4621c8c59121feacEaD49e379Baa95ebC5b",
    "userId": "480497000"
  }
}