{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42703",
    "entityType": "User",
    "nonce": "0xacd00f9a0ca55556256c0e4182bdc369b2e1568b4be1571d3c02455f86ede2ce",
    "signature": "0x34073f07bde8caaafa0ea317ff03eea91b4b21e2cbc83be39fb8fd087393dc815a945c8a92328df265aa6854922f835876b79ab7d455095d224f5eb1c33283e61c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}