{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146979",
    "entityType": "User",
    "nonce": "0xd8b34a0d61b5c4e51c83cb166c5d856971f1739cb600d78354fb03aabc113283",
    "signature": "0x707b77e260f8b673dd319ddd68a37b8af1e3fce798b061a64d64c9fb8e39e1d17fc0decd46d2653d0fae8c042a879d69c482a2a48fbd800a6456b7c8951a7a6d1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}