{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "99574",
    "entityType": "User",
    "nonce": "0xdfd800e651f9d383214af0cdc5ca7b628165cd32822ca343c3f2fc07189d1051",
    "signature": "0x84e7f5086d9b29300d7badf7f9d7730257b1670a1ff8831fc696f7144d5cf44675439c58ed86f26276aa49aa719460cd90eda50110e2df46dc18a66bb993f4241b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}