{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106406",
    "entityType": "User",
    "nonce": "0xe665adb72feea66ae1b6cfaf7368e0824d13a384500dc540c522a2a152db4cb7",
    "signature": "0x6779e3aee3efc5b0394a3855c3ffa440ea251b1e74c96d569967875751240d9a3acbce31792c345065c6d555dff916d8e97f3ee6dfda853ee940afea73e015011c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}