{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127651",
    "entityType": "User",
    "nonce": "0x59483abe7572e71ccddd2f14c5c767fe3f97f8f05ac5eb699054f0d5c63f0110",
    "signature": "0xc54928290b339fd5059f45b86cb3d872a20ada202b5d4d724e589a3d3729c0100139e731b765470c11b7a519b239186a42a735a0489ba25c3616d16197b38e141b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}