{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "195256",
    "entityType": "User",
    "nonce": "0x11dd52f70afdf162c9a55be0e4bccd40bc389ff477864bd1aaaebe5481a060f5",
    "signature": "0xb710935a74cf0279e6abf29ad309b4ff3e1b22cebd80827fd13b095ec1501dfe795a2c525e8c015989d6200ff03ad31f20eb781f4a9b49287c46d503bf98d8101b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}