{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89695",
    "entityType": "User",
    "nonce": "0x6e9304da917f568215e69cdc176ec2bc46b444f96615ed79578eb64d3bdfdc64",
    "signature": "0xf75b3d191a8dc2f25b50f14b94582a4a6b5e48768ce7434dae6a5819dfe83e5f70d42f3597c7ab3272af67e0ae505ad55fe5eacc3dba42a598d3cd8e6ac33c451c",
    "signer": "0x0E6Ef8dF2F401D8918d603B82ef321D94A721556",
    "userId": "648802251"
  }
}