{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "766293353",
    "entityType": "User",
    "nonce": "0xab25de99a9653f891cfad81e2f3d1f62f2ba7fb7a96526745b498a83163f2375",
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    "signer": "0xC0eEcD5Ab99B0f0BCcD79Cf620CA23C758E8a338",
    "userId": "136979704"
  }
}