{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x2b4c12c116c8d6b3d7468fe6126b6b5de07ccb6a9ffa96d761f606fc0d8394d2",
    "signature": "0x6302c32f5e4023bd6b91155e4152841c4a5238219a14220beafffa04df2ac2fb00b8173d7a9053eae295dbe9c9537a318bb19b68467754e731500ddefa3921e11b",
    "signer": "0x108D612Ab8b098Fb5c1CCFc861D8531e2abE93Ca",
    "userId": "908696475"
  }
}