{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72239",
    "entityType": "User",
    "nonce": "0x7f122284be516ca30819f978395572bfa67a2a2c3249675d70bff3af11e12dbf",
    "signature": "0x16d21f007dfef66bdba1a5fe74271bb2275774892f3569174e98f7ce30315f703af68e867d5f0baff8e229de7cc8b79b92a2dd87719da74bae17dd330e8f57211c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}