{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234183",
    "entityType": "User",
    "nonce": "0x700a5bfdae75dd2c66697ac1168b8cc28a5fc3088722861ed72171e11ac4bcbb",
    "signature": "0xf48542b78fc45f247088a77bef492a7962bf93b690a512c9acbf58d7be4f9c9074d8cdc4f5de493c9175543b30015aa79c686cbd22a4f732120df24fec42278a1b",
    "signer": "0x0F822Eeda362e74bF696F900786f042056530CC8",
    "userId": "481969594"
  }
}