{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x98f4ea0b916b21e1766bbfefdc6f4477e84861d23ac1bd958d8781efaf510ee0",
    "signature": "0x9fd53be1cb033fcd3c857d741032c057e567aff6f87c5beedbe144155f9828ce661a26fb8aa21494dec27583e9918d55a082a7c0d009e3e839b933c02479d2da1b",
    "signer": "0x24FDcd9B8DD08bad3a16A928A23677E7BcE53745",
    "userId": "246929370"
  }
}