{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0xbe90c18cd4f3b7738c7cf5ccf4c84609a222d26ae41bf0b2378d76401814588e",
    "signature": "0x353b622c6194c2d01b35cb1dadece8b86d8b712951c993a30fed83744c6e7e583167b709ed6548b7234c7624d54a420afbebf9a4a3ef9553412f90c70f91e5351c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}