{
  "manageEntity": {
    "action": "Follow",
    "entityId": "12491",
    "entityType": "User",
    "nonce": "0x9c9980de26812efcc2bc6a7cdcd0f1d7453fd369bf401b2c9de5f2d2a4efdfe0",
    "signature": "0xe745c905a08bceb567bbd2e36126a49c1be278a450fde85ffb0dbf81c295c402563b25e8dd507c5341af29e7bf5796a321b366b8174cb8088bb0dad8f41993b81c",
    "signer": "0xb8Bf68e2681FA1A8a8ce9c78070BF9644e947378",
    "userId": "12890"
  }
}