{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0x1fb5a7cf225b583aab12aa8ac6ac8b876edc057a013cacc2b2835b16e669b1f4",
    "signature": "0x9c9c31d41121f6445a4e7b34911185d34edb29efb45c627ebd332ae0b72d6c55125fa28f07c97a7e917d6ade56a8deb056e673027008d9eed3ec5b13f6e2a3591c",
    "signer": "0x5D4848bCf5c4abA1a0Fdf2B61408c9e4288aDb0E",
    "userId": "305415280"
  }
}