{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0x5a4ebb1dcb06d784af21ca14683fe602321fb3a8d9dcc927f40c777ddcb80cb1",
    "signature": "0x474019f83b29967438594227d5f9a1ac26472fb022b0829a1dd203e8dfec0cb46fc7e995e11b9edabab270e19a6395f7caac965df08d080b7bda80057ee8b0ea1b",
    "signer": "0xa603e9487Ed7C3C62E8acb85f8f32acFf5d6349b",
    "userId": "278135553"
  }
}