{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70206070",
    "entityType": "User",
    "nonce": "0xa6cb723cc64d154aa9d1db751e50cbccce9be71319b12abb4fb9acbcd4644aac",
    "signature": "0x61649e293dc6bf75e1eeec7d6089c9a0198160b67f7811d29ef0728e4f9379774c5c01aa2f62ba6d5376eadf32fc0230c39ef26bb4ab9467ee587d69bfa551ce1b",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}