{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x5a6df833c065e7647d277c8c72ab3bf93909b3d4dafab6fa0c1d84e09d298c18",
    "signature": "0x257cf245df8c489aabacbdce5e5e8bf4d6c09400130f049be1ff9c90e26959663b61d555d357a77c075239f778e0242cdd3ee2bef62c177886d8def38175e9561b",
    "signer": "0x6479d9720713f53dc89A54A1b2812731e2cF028d",
    "userId": "159329749"
  }
}