{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "139146722",
    "entityType": "User",
    "nonce": "0x71ce70f903216659962a2b2b8242e0cca0a4d510967525f35d3513c920ee66d3",
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    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}