{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "547969682",
    "entityType": "User",
    "nonce": "0xe110774e2867f76bab33cb084906c00828cdba1198f67687464316d97d0db0b6",
    "signature": "0x74e132a54efcdc00576fd06e006f9bcb206a359494ce64a821df14bac66d280a73b5f072a5717b2968fb3ed116b43fcfbc40ac8f49ee0adee5a244932ceb944c1b",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}