{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2ed1c06b80a38fce3bd942861cc483c8d42e537463ce0a7cbb72ceff63e20066",
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    "signer": "0x8506BC3f7360B24a31b01F49532c54495a8e89AE",
    "userId": "167751987"
  }
}