{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83592",
    "entityType": "User",
    "nonce": "0x98455514aa1213fdb5a4f28c50e240cbcf7f0389d2d0fb78972e188e8ceb1623",
    "signature": "0xe0c1f5165d6995a15641609d6a554afda6a8506d7fde139172a3dfc58aeb9819084ee0e2218ca55b1d28199b1f01e500879cebf98e78bb68a1c6667321ff7fb31b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}