{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0x220be951561b767336f1828d392ac31afc92beb98ef283b6f5e5b3be31a99488",
    "signature": "0x382a6f1ccb082b15a6ce08ec8e74509e04a9552f844c211412e4bfdd1e6e01fa169e5e6205650b16f459ae5175bfe74d1869ec01485d0d3cc787ae6bd3f338261c",
    "signer": "0xf15FD63403ea1176eaa213fd9354417c325a643b",
    "userId": "813142179"
  }
}