{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa6a7dab37492f4bda11a550bb92f91f72fe25d5bdc4edb1e6617de990a109e04",
    "signature": "0x132a3ff528ff9e57abb6884da2d707c6b49db864a51b427b6583088d6141d3da56a0feb7fc4176f99ad364598c54ffb046a7fffb9f29e867afc4f77883d0b1ff1c",
    "signer": "0x4FaD35028E4C3973A994Bc61d52FD54DDCDf0353",
    "userId": "658551529"
  }
}