{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "26508837",
    "entityType": "User",
    "nonce": "0x1e9938693e5915ba63eb60d83021bec8a0e67bb345b1b7a833fa343daed4c321",
    "signature": "0xfc4c618b97b8c67c83457147cd638d36f479b8333db0fca07cda40752acd104516c5c2b69d22da7e0611233f25b020b0e3c0cf6409191a484202978e79b6b8a11b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}