{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17346",
    "entityType": "User",
    "nonce": "0x16b2eb200facd829b437ea1dc389380b4fb55bda058fe2f2e7360bc94ea1b8a2",
    "signature": "0x153939a7dda4758386dab6f9709c05cd52345bc4985b3f4b0c3df66e59177a7f70a2557a1451a99ea447adfc652708c3ce5e985cf26d91e56a00189a11ecfbb41c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}