{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9d7fadff9c61d7d1835c405827cc5088fbe8a1aa7d82da159598c275c246a5c2",
    "signature": "0x7ffb42f33b614e50954be71bafaf0be3c6ba00829fe98c00c636875f24146d95367e30767ff50ece1aa58d45e601073b643bb7995687478daa73dcb7c7e191e41b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}