{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146736",
    "entityType": "User",
    "nonce": "0x91c2fd5ac9a8627c9def38c34a3d24e5e4e59bfe77ff4061ed56223c0354b531",
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    "signer": "0xB37E6e788b6A39dCDcB53bf8D70077f76F5F5C26",
    "userId": "895209133"
  }
}