{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0x52ef2c68bf093920d31ad5e56d2ce8ec7ab9b0b1c5e66e2d2ca4dbc9895546c5",
    "signature": "0x1248fad458fe91b414bee819002b9269ea03bcde64336aa730beb032ba749f4f07b8352cd36f1ef67cee2bf7a0c5498f7e8c3f518bb1ef69aece675f149ba8ee1c",
    "signer": "0x0598FC797642238bFb08593189CB8B4b21aFF411",
    "userId": "179352401"
  }
}