{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9416",
    "entityType": "User",
    "nonce": "0x6f48ee2506523cba5cc257f275fa53e8d6def0b321799fed388dd91e8b57494f",
    "signature": "0x8aec2170a9b37785338809c78f8d52f7f4b33532ccdc35e74293be917cd79eb3359261dc80968ceac0a3352e1d43fd8d9fb8af039e57054f2397318882b92f511c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}