{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x712bf401790f2c8de4e9ac2da81629703e2c9b0d128b062f24e74bee4e5e6e25",
    "signature": "0xb9003ed7b941414d0006dc2d87859c8564dd75c12697fd279bd33ff61e45dc9216e1dc80e5ad7861e33e2fbe17ad2f5215daac4808ff1b7cd7fc0a50cac37fd51b",
    "signer": "0x785aA7221545FeFaf89F23A6Ec3684cCEe06aB20",
    "userId": "580031590"
  }
}