{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152482938",
    "entityType": "User",
    "nonce": "0x5fb326d580b7190fe524cd20b6ec20bb07692d0deb2f40f4a2b8e30c4e551503",
    "signature": "0x8a5b4956fcebe892a59c0e7780af112980841e3e51c5f454fe1f3285081cce0d29d510ea70c351468cd31a51985d95ee6537d194c824b74b89dffdf522052bde1c",
    "signer": "0xa8E11aa224d2579f5cbdb912866bCE84Eb10f9dD",
    "userId": "951616224"
  }
}