{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "151027",
    "entityType": "User",
    "nonce": "0x5d34ebe9f59337419e0abd2405a2cb2165a29ce86402c46a48c8c08681f98531",
    "signature": "0x04f90a75563da1bae41ac753728afc63732ea3ce1124639379765bb362c9514f579c065456fa65e565fd712000b81424bf8251d6d63c348f72de77e62e157b4b1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}