{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51376",
    "entityType": "User",
    "nonce": "0x0ece3a5c28589dd8f85e37e616132ae25e08666ca0309ca4c9fafa2cc458ccfc",
    "signature": "0xeda3f506fb3660545b86cf7a3e84d91a5521c80c8ef2cfeb84c27c7080dc9f280582dae4e2629dd6bc234ecdf72e636078f6d3493afda05fa640410546599b881c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}