{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9660444",
    "entityType": "User",
    "nonce": "0x08c82b380c4d07e8cb3848c0e5eec6bb6b964fdac53104b15e8c34afd9c7e12d",
    "signature": "0x26ba0ae82a3f85c457545ab235f94e546819d1e9e66f996aba6bb064c0e4c59844c3793aa9e674a7d4d818bb6ae35819532a0d266281ac7495b2a0849fbd1a621b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}