{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "139219",
    "entityType": "User",
    "nonce": "0x2c0cf33214b0fa3781e7bc376de26da20b91bdcce532250d6414b6d55f62de21",
    "signature": "0x533df30e3103c369e6534ed78dbaffdf5703c621181ea2714196cbbc02f1187d468e743250a5bbcf78a440401f61526f5b737d56ea034b12d57d0df34a8cea041b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}