{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "666092734",
    "entityType": "User",
    "nonce": "0x07aae3c0b419d0e0e92669cf04426f5512736c6e7cc08663ed0930f6c2328ac3",
    "signature": "0x273954d28c9464d0611b790853fe5f4986de199738a28f5696b8864013f2e1117eb5d3b80d5d03accaf25203cc6f1d34dc575e0bcb8ad8c3a93e7e1a787cdd8f1c",
    "signer": "0x5458796027aD8A259861E2C65ECFD1B027e9E8fA",
    "userId": "42614"
  }
}