{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0xf8ad4e72f5bd676ad4aef515b973a338794828f4f6bffa96d8ad77bd615c2b21",
    "signature": "0x9e31083a257a88c529e16ac2bf69a88e7b647d5228375bad3429cbab05bede75722ad726def67c725bb5f76cfdd56bfc9aa872a7269914f14d49276f5ef1c40e1b",
    "signer": "0xd4172DACb313eb72C6Ee29bc685450908f4A1926",
    "userId": "407046354"
  }
}