{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xbb1e1f5014413490ee08bf585ae7e8656f8d7c39e8b290c028a79491dcb0e857",
    "signature": "0xd78f7f4611c5b20644d49eb7e4c1a176862abb8152f032950523fee3abf0e32c11ee38dcbc877b2120d3ea819ed76678a29a8f29a0f434fb1d0cb4bb3b6784361b",
    "signer": "0xe3921B88207E6D5BF6f86f1245645Cf17A2BE8c4",
    "userId": "472933117"
  }
}