{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "196384",
    "entityType": "User",
    "nonce": "0x1c794e3ff2efaa640489982935f01a7f41f480805ab3e055ec3a7e10a6e03c8f",
    "signature": "0xd491d524eb5055c0e119945d17f9b2ce32bfdd8dfc6c3639ebc09f1a90492f7053aaa9983224de1c8c43176571f43275e6535efd11e4983313f9dc91aa094a131c",
    "signer": "0x005385507D169DF7Ad14f23b728248Fe5464Bc26",
    "userId": "303866152"
  }
}