{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x1a1d2df6db1af7dd6f332e21c3a8dcf2273854a03dd22a652ae3127b4ab60f36",
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    "signer": "0xC788A8E595e66f6dd40863AA97bFbC71c56108DF",
    "userId": "836056909"
  }
}