{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74652",
    "entityType": "User",
    "nonce": "0xe63121e85b3a6ae528cec389de8ac4e90b9415c33194e5cbde386b5774e135ef",
    "signature": "0xed4dce15f43d0c526dcfd28edfa3f640267fedc4b5dcdb7891caafef8f62b539115d4baceebf0402c781271186cddc354a3c34f3b89a1ec36dabf8666b918fff1c",
    "signer": "0x32987cB5D8fDeFeb44447584950469BfeC9Cd41f",
    "userId": "63084"
  }
}