{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x384af3f2fa3528d38a3b81d3ecb2ceb1e981375c94a3730f959841266bffecb3",
    "signature": "0x77f77c0426338ec73920faf5f8887c212efcb8a4966cf22f8dbbdeee89df68c93f9063bd50848f912d91d9c419c22e1cfce2f50ee560b4e2175171e1d0a4c5751c",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}