{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "417256310",
    "entityType": "User",
    "nonce": "0x8af2428da2a17d4acd9f8bdf1e85ca35d1d1d169f124fa7bbc04885288915585",
    "signature": "0xb7c17858a3960235d01c3eaf9453b41b27d627c68785400d755e6fade6e61f0b423d1f32e3a024fa6c74b5a1e8705bac0b78957865e072aadd7328a86a026ba11c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}