{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "461201677",
    "entityType": "User",
    "nonce": "0x69eb1f4c29e171f8e53b5a1d1b1d1bf06159aae3be0b2f0a32a7e43a4942caf4",
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    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}