{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "232868",
    "entityType": "User",
    "nonce": "0x293a84ba3d6aff707e267177c7ad5c606077295f0f9352415518f9ff16d700a3",
    "signature": "0x6fbf3c13776273cd2096ec4b2723dc36da38ece0962e4d176d232b4fed93294656faf19f4870eb7b722fb7763b641234228c6688e620bb6508aeec4736c7477b1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}