{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15642",
    "entityType": "User",
    "nonce": "0x93fb2f6dcdb7d1af1653a2164d6440c5be6646f5628da5c3b9caecc6c3e6251c",
    "signature": "0x2282ad7f4aeea4c1d1d58dce40440506f29359e50bc34ffa38ad8bafe9c9d26524d75ce9136129480a6407bf0e9e83d73d43ed6e4039161241eabd4ad70813df1c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}