{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x5859a4f9a95c872a53db38a0aeed359089059ba9a62059d5d6e064c44069bab4",
    "signature": "0x34e7b88e5eac0c9dd60e265bc3560a20a3d38e72d7413b98480db6ecb83c2ef169a3e1071b7e4a83abeeba16c7adea18a0ce56ac7948f1e063155eaa424ca49a1b",
    "signer": "0x81f60DEAd0cdA833Ad17fe7Ddd37b36E62630205",
    "userId": "132087202"
  }
}