{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "235412",
    "entityType": "User",
    "nonce": "0xe7ab80663fabb8ef257a5b68af532862cc18cf54e1dc7c1d4dcc64239d95a766",
    "signature": "0xfb1ff4b817ac3539cb1f3c1c318ef6edcf8ca0cff55d08e2235e4502303c26ab55019b439f55abb9c9b1dcbf6d531854c0750bd7155166241b39ef6fa48e48dc1b",
    "signer": "0x42cB1e20D724BD902Af64cd85c700BE6118500bD",
    "userId": "47154652"
  }
}