{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0x904c9c8e74fbbcc058cc863fbe578c80ce47eda0c1c34ca1072b869fcf58740c",
    "signature": "0xe4ec747e77d2a40c5550b46ebfe655d170514c0e63375e363eb1863b1907a71d1cb5f3f6fb2c4ef7550fa3ad02677fc05c9700103d1fce5e29391b933626f3fe1b",
    "signer": "0xd4172DACb313eb72C6Ee29bc685450908f4A1926",
    "userId": "407046354"
  }
}