{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "872465229",
    "entityType": "User",
    "nonce": "0x663ba83b6c5b6e9fe9c4590d7becce3e30a62b24b4b818179dee005332f8aad2",
    "signature": "0xed97e30fd8b380f54b1eeca1da4d9555d647f7d5743dc144f3d95e5cbb39c84954ca81081c27f5f98f8512d2143c20e10ee0b275c09c537e1ea66d91059e3fe31b",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}