{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129358",
    "entityType": "User",
    "nonce": "0x109873b8dd3cae8f5f083f5eed22fd71fe0429591c299a0ad67d8778c805b461",
    "signature": "0x81902447a1af45e56abddb960c47f67ec32fee0311a4a9cdc1c28eb19b3f3a14458a8d1ebbcd7966aa59511124e7d0eaceeef29d45a7cc5b2bf31d19e9c606e71b",
    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
  }
}