{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "595543989",
    "entityType": "User",
    "nonce": "0x65d0869deeb6d6bc1722d4b0ab281961c1a695ff4f37fd788bc3be4cae11190c",
    "signature": "0x69d655008320e8088b035ca97798b0bdc2ebeee1586d86036422fbcee92f9b8764e0e777628db20b107734643b2d9b55bbb3b67f4a0bb64515bf4c377cd088141c",
    "signer": "0x6F79753ec45949eADDd3F99F1269E4E61E7A87B7",
    "userId": "565110676"
  }
}