{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65149",
    "entityType": "User",
    "nonce": "0x16814673a50570d55f9d3f6b96ccde31664c5d8f7f5639c23a6dc10d087301f9",
    "signature": "0xf07804e0e37565a21690ac9504dd07543bb9f1cd415d23732ba292e3fea825cb79e9e7a2060343d08804a10a1844a1913694ec9eabfe959babc4754109f80ca71b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}