{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "115357",
    "entityType": "User",
    "nonce": "0xaa986865dd199e254e90a44de5def619934a481f70a6525aff3791382091462f",
    "signature": "0xd0f04a89644196fc2148e68015be46ff8aea508dab14fddf344a75bb5469958a4984dff99ea41d8af6331dca5bfa1000d363f444329ccfdc5816b9ac33939eb51c",
    "signer": "0x005385507D169DF7Ad14f23b728248Fe5464Bc26",
    "userId": "303866152"
  }
}