{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1722125",
    "entityType": "User",
    "nonce": "0x2b0b30e4e639562f82f8ffc9d2e88e6e4672968b84563a6d62ccd6ade8673883",
    "signature": "0xd5ec9c145a7972ad41389a23e4ac291c29c57e59bad32f5e478546e719ccf16435948eb428a55618bd99f1edb8397c2c9b6859e87ece22c2aa3de33be2f514ba1b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}