{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "265134428",
    "entityType": "User",
    "nonce": "0xf1c3dc2a2fdb2d87f2ed0b242570c5a4fd7d00521afa80ad325c8bfc57387714",
    "signature": "0x104efff192fc3379b3cbaf8edd85d52647ba7ebcb703997ceec9f4f5999984773dd0b77441ad2a35b0544347c860125cbb4a6feab89dc4d9e629336439d10f141b",
    "signer": "0x1Ef5331d98352E3A7eb4f177ae6BbD27cA99eD1B",
    "userId": "771602835"
  }
}