{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73071",
    "entityType": "User",
    "nonce": "0xd2df98a9009ebb3415e5dc1bba94603cb557f594ed85af352ce36ae5583f7b2f",
    "signature": "0x3181385b7c884be543eff3852199ec03aa87e58de4968112513e262dab04cf060c100798e20edcb181fce884dc3be3a0aa38d338ed430392493a5d8ebae2c9291b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}