{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "154080",
    "entityType": "User",
    "nonce": "0xf5fed472b918a2a1e5c28b6a4b36a7d809fcc313c57c24789136b11e7c51bb71",
    "signature": "0xd10b57f0ae52f3ae47b8c90cf59736bec0be86f3b8c3de8582d2d5a10f91ac9c1bf3779f66279f856c0ea1fb547e17750900f70412e29646866f1f84ede811571b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}