{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "99913",
    "entityType": "User",
    "nonce": "0x4062647de362bbc1f82d80d390a9349b4c0ac507250c207955383684802bfe0d",
    "signature": "0xc9c8986d3a80fa92615fe447803400059558d006c7f03290fd7a16dce8fe5e1a782c39d3ce1f064c3249a8ff8ce61616c0f20f3c54fa247c905fb658cd7dbd0e1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}