{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0xfe6df16d6c8cfd0166e520e7348a5d10cf4302f7d3fb5a855b3b104c106bf3ad",
    "signature": "0x1e59d29dc20802c1bd42175320cd5175ffec22bb74f3e20ee3356fe68b025ad1196dfd82aece5ffff8adda39e0872aa7eb6019731106d8343078ada593093b1d1b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}