{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x9c4f7b3491f2325f3f14036f9135ce12eeb833352a15510a9d43d584a46df7b2",
    "signature": "0x72347073d15fef4a41bec41076b9f9fb309a86e8913f796f8d6955b72f0568137c1e70aeeddb4259e94a387a5fecdc37884409f9dbb639f4d3107f4d4d808fc21c",
    "signer": "0x9De2A5D519F8A609E7f870701a99029A70a5A1Ea",
    "userId": "739153526"
  }
}