{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "394942941",
    "entityType": "User",
    "nonce": "0x9365c72907409753912bf3f8c1a87f66551ac5a0eea59da534e99f06cbc7c6ea",
    "signature": "0x26011dbcb4a44ef7806d48a2971de88c02d332f466f6a50614fac788cabafc463c6ee41d4daf93c3368c37259c23f3cca9dfcac166d5ca55f66ec3aab6d300d21b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}