{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "99409",
    "entityType": "User",
    "nonce": "0x989acac11da4d3de8aeb9c2904aa03edf19ecc509fbb148ac72cf17b3650c151",
    "signature": "0xcc867f65e591dbf17bc9202082c22aacbe0c99c16210d5bee906f696a67ad96839d1f08c31342bbe5917a87d0e85f9e8f64f0e84ee72f94fed25e094bb79c8761c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}