{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0xb7a232a1fb24decacd5e7645650be02c7c629d34b7e55db24fd78ec81a822a05",
    "signature": "0x785eca7d10405adab491fee450dbadae4c9910bab41b54b77542a8ec57724fa223e47b708ce2f13a0e4cbf5ef41ca70eb2c648f2a8e3800c11c5ef070fc516a21b",
    "signer": "0xb15d7053c985Edf1d74fFc9893ab67Fdc2B33090",
    "userId": "211545300"
  }
}