{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x791548a107584014d588d99d3ac4507f7dee182f72728b17f05b0e62783a282f",
    "signature": "0x7fe888f963cb7363273a149e088066b9b2a261f3cd505800fbfc6557e5250ca32e3c9e198268f63a9e9af4c21214686b2f48ac2719a2e4ef35355bc9ead1331f1b",
    "signer": "0x7236f33AFc69e112EEadb51267423A33BaC3CbEC",
    "userId": "583435112"
  }
}