{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71429",
    "entityType": "User",
    "nonce": "0x4f33bdffd9e8c3af060914ed65b836da4f29505f90a11f38105b0c2c5e51e740",
    "signature": "0x15b17e5e8fd0e822c8a97d25a70f294c98c8ee4abb36501a953fe4f76bffebfe268a98796c54a7b4bb93ecc4f118418ec587f655eff2f5cf8ea11947c8c1e4851b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}