{
  "manageEntity": {
    "action": "Follow",
    "entityId": "4138",
    "entityType": "User",
    "nonce": "0x64402374b74a056f9809ebecb5281399b18c738c088b1890a7a7211538e82359",
    "signature": "0xddd621749f477c2dc640ce74ebfc1b22a1d8786db40cd6f8ab582044babedbca2a7eb3a14c53dd3efd83dedbc662ecd7042c51a6419363661f634442770749681c",
    "signer": "0x4FD8D9B08667CCCa706De600C8242dcEFF01d9D4",
    "userId": "392873011"
  }
}