{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "328915105",
    "entityType": "User",
    "nonce": "0xce3efd081c67c24aa35ad9ab301cea7a4f0874cc1a5bdd135ebd3138d2e76a56",
    "signature": "0xf707d30317c21db25c70134c6a69273e60b90ff8c2c4f42f31592db3ca6bfba340398bec9c3ac006b366fe803b28091640bc47bc3c42a0671500ecc9eb0944ec1c",
    "signer": "0x2ceE694F69Ff30038019E62c92acBf377112897B",
    "userId": "846934122"
  }
}