{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "776093",
    "entityType": "User",
    "nonce": "0x453ad8f4898aeb748eca5fba55a401ecc8a2d6f7fd888eb03dd062608a1ca50a",
    "signature": "0x727ce5b65e57b83746d1d5fc20bbdce8eba8b9b3a8308f9f63d57cd86f01c85f41e61e9e65693eb87bdf6c82cb3a4ecc2a5438bae3fa1ffda6a8b2ba46c53bf41c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}