{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1712008",
    "entityType": "User",
    "nonce": "0xca06d0d995b742da2edb00aa55c236e08b9de89999c7e62398d8ea6ff0fd7cc9",
    "signature": "0x583400b4bac4a592cd3c94dab503015e3d041b174cd93014409fedee9d66cd3979c9d660c278077ca7f74ae7360fab2df00cabf51d5d48264842156b5295e2861b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}