{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51425",
    "entityType": "User",
    "nonce": "0x02cc6e8cf3e2fcdb9e05a124cd018b591bca0e47dbb3f8fc18cd0238a8d6392a",
    "signature": "0x51b5a97553d9c17bb4285372f7007d36339e348124ebf660159302823383b02f7d2626d14652965beceed46879c80490d098518ebaaaec682359f623bac4a47b1b",
    "signer": "0x48ECe992edB7C739B36f37DDbE8Fe352996B5A56",
    "userId": "183063753"
  }
}