{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83091",
    "entityType": "User",
    "nonce": "0xacf860a94f594982f67aaed92b2a364b8fc55601df84faf14f883bad81268340",
    "signature": "0x2972fd6f5f93f2e1762cd0557a21b5e33d29c6794a2ec8cd581861c1754ed6fa0100da34fc5eadcb48cc855ea8f6665b387c4cc5e11a202f58ba9b0e28c915e01b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}