{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59528",
    "entityType": "User",
    "nonce": "0x2bc5f3df36b0fee2d9028b6eac2defd693285b2f7e287c740e70a3431223a78a",
    "signature": "0x343ce9dbf2fef05e2b6dddd60c8dac0a371c3da6c26e3b9e0b3cb6d4c65053b95181f545c6b39660515dc0c63f12f8761422aed28b4645a2c4874f666d9f45171c",
    "signer": "0x745895918A1926af8a7B4C34Af51BdF98bf5C7C8",
    "userId": "54958731"
  }
}