{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28753",
    "entityType": "User",
    "nonce": "0x0d797902a28bc4d3a28e592ae0ead5093152c69fb4df8b43c2fb18b0c47ff5b8",
    "signature": "0x602f149a4f2aeadea5d4bdd43d8ff585f71f291fedac2a0888c12a3c79f415cc08ccd4aa45093173e81ab8c4f6203a6f551aa043be4ed2a7163494c15968656d1c",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}