{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61841583",
    "entityType": "User",
    "nonce": "0x603e2ced62102749198f42f5c5e27109c7cc69dfca7fc98fa8bc720036983805",
    "signature": "0x62b4c730e54c66204161717e6e060447ba6193e77d4742020f57a60a70011893676b0e5e84e346a8ae5d95a73705f92efebeb30ac1e84c6fe2eb73094777267d1c",
    "signer": "0xF40Be525727aa96Cf61609f0A493d9E677f73a33",
    "userId": "159460377"
  }
}