{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "955974066",
    "entityType": "User",
    "nonce": "0xa687add9a9b48dec64db962a307451eb35eae1b1c40ba8bf2ff030b27a7dba9a",
    "signature": "0xf4a072014567c38491354c902d577715ff98c98d5d839266eb92acdfa700860109109843ad0109fe6da6b4d811cffdd2d108aff97e1ec998127418086224b4c91c",
    "signer": "0x1D0c500EC847246923045cB0a285242A93723f30",
    "userId": "302385956"
  }
}