{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53240035",
    "entityType": "User",
    "nonce": "0xbd1e2c3b36b84d7afd3217596c848ea59207b1f4b3a8aa9576ea1b78129362a0",
    "signature": "0xbdb0bbc574966d65de0cb050c2532b48587f2f59af7ecc6795fef38d857194b31ad6dd576f37ad2d74c6e315d208c2a71e62e84a3bc2c1d0467c0281acd943781c",
    "signer": "0xf0193E501d89e491126E8dB9a6A16Ab73Da3Bc8c",
    "userId": "454229506"
  }
}