{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x07998c3d8aae545ea5bc069f3fb43bd7c2b4df323019ece88c60bbd7ca508bc4",
    "signature": "0xa84ffaf113907385027ef203a3347468e4f17d09bc59ee84191e0a05a3596f915f9eca91e988a71ecd5478ad7f5aee5a53a3572a0f89d188ecfb9a9c78ed4f111c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}