{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0xbfa947369355b206cd05a556c6fb312d2f23e827017a2681612b425d82432c9e",
    "signature": "0x9e4562e42b19aca1b31cdcedb5ce07967b4e1683982d4b784f9b768db056bdfd71af309a576522da6f7ae7b61ca46b9ee05a4100f5c4d296eb160267c919f19c1b",
    "signer": "0xE837e052F61622F70fAE29E877A7adAA6b3039c8",
    "userId": "550557206"
  }
}